ASTM 3A,3Q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 3A,3Q

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AISI ASTM 3A,3Q

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This page is mainly introduced the ASTM 3A,3Q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 3A,3Q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM 3A,3Q
  • Steel Garde:ASTM 3A,3Q
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 619~810 σb/MPa
Yield Strength 780 σ 0.2 ≥/MPa
Elongation 39 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 921~732 -
HRC 30 -

Physical Properties

Thermal expansion 42-49 e-6/K
Thermal conductivity 44-65 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2481-8561 째C
Density 0312-5490 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
ASTM 3A,3Q Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download